Chemical and electrotechnical, pioneer of the
photography and the lighting system electrical worker. In 1862 paper
invented a procedure in order to obtain press using coal, successively
patents in the 1871 photography to slab sand bank.
In 1879 I invent
the paper to bromide, in use still today for the
photographic press.
In 1870 I invent a generator of current electrical worker-constant, and
a pump for the empty one which allowed of experimentations for the
construction of lamps electrical workers it. It succeeded to already
produce to a lamp electrical worker with coal filament in 1878; a year
before Edison.
Swan within in cause with Edison for the issue of the licence of the
lamp electrical worker, such cause had term with the foundation of the
company Edison and Swan United Electric Company (1883).